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本次调研样本覆盖一二三线城市,借助数字100移动社区MROC,针对冰箱消费者,共回收有效样本956份。其中双开门型冰箱70%,三开门型冰箱占比30%。所有有效问卷经过在线调查系统逻辑自动检查功能查错,误差率在5%以内。1)本次调研中,一线城市是指北京、上海、广州,二线城市是指其他直辖市或省会城市,三线城市是指地级城市。
The survey sample covering tier-one and tier-three cities, with the number 100 mobile community MROC, for refrigerator consumers, a total of 956 valid samples were recovered. One double-door refrigerator 70%, three-door refrigerator accounted for 30%. All valid questionnaires were checked automatically by the online survey system logic and the error rate was within 5%. 1) In this survey, Tier 1 cities refer to Beijing, Shanghai and Guangzhou. Tier 2 cities refer to other municipalities directly under the Central Government or provincial capitals. Tier 3 cities refer to prefecture-level cities.